[144MHz/430Mhz] (136-174Mhz&400-470Mhz) Magnetic Base Antenna. [Antenna Specification] Maximum Power Input-watts:70 W; Gain: 2.15dBi/3.5dBi. Omni-Directional, 46cm(13.8inches) Stainless Steel Antenna. [Where Antenna is used] 3.54inch Magnetic Base suggest install indoor outdoor ( Need the Metal Ground Plane), the magnetic base Easy to install, plug and play installation. [Antenna work for the radio brand] 144/430Mhz INDOOR Low-profile whip mag mount Antenna work for SO239 Motorola Kenwood Icom Vertex Blackbox HYT Hytera Baofeng Midland etc Two-Way Radio, Uniden Base/Mobile Scanner. [Antenna work for the Device] Work for SO239 VHF&UHF gmrs mobile radio, Radio Scanner, Ham Radio Transceiver, repeater Handheld & Amateur Radio Equipment. ELECTRICAL SPECIFICATIONS

FrequencyRange:144MHz/430Mhz(136-174Mhz&400-470Mhz)

Impedance:50Ω

VSWR:＜1.5

Gain:2.15dBi/3.5dBi

Polarization:Vertical

Radiation:Omni

Lighting Protection:Direct Ground

Maximum Power Input-watts:70 W

Cable length/Type:4m/RG-58 C/U

Cable Termination:SL-16 Male(PL259)

Radiating Element Material:Stainless Steel